Rational criterion testing the density of additive subgroups of R^n and C^n Mohamed Elghaoui | Adlene Ayadi | Show more Mohamed Elghaoui Tunisia University of Carthage Faculty of Sciences of Bizerte 7021 Jarzouna, BizerteDepartment of Mathematics Adlene Ayadi Tunisia University of Gafsa Faculty of sciences Submitted: 2014-09-05 | Accepted: 2015-07-27 | Published: 2015-10-01 DOI: https://doi.org/10.4995/agt.2015.3257